Don't create keys array

natefaubion · natefaubion · commit 8e4094638934 · 2016-12-04T14:05:42.000-06:00
diff --git a/src/Halogen/VDom/Util.js b/src/Halogen/VDom/Util.js
@@ -68,10 +68,8 @@ exports.diffWithKeyAndIxE = function (o1, as, fk, f1, f2, f3) {
         o2[k] = f3(k, i, a)();
       }
     }
-    var ks = Object.keys(o1);
-    for (var i = 0; i < ks.length; i++) {
-      var k = ks[i];
-      if (o2.hasOwnProperty(k)) {
+    for (var k in o1) {
+      if (k in o2) {
         continue;
       }
       f2(k, o1[k])();

Original file line number	Diff line number	Diff line change
`@@ -68,10 +68,8 @@ exports.diffWithKeyAndIxE = function (o1, as, fk, f1, f2, f3) {`
`68`	`68`	`o2[k] = f3(k, i, a)();`
`69`	`69`	`}`
`70`	`70`	`}`
`71`		`- var ks = Object.keys(o1);`
`72`		`- for (var i = 0; i < ks.length; i++) {`
`73`		`- var k = ks[i];`
`74`		`- if (o2.hasOwnProperty(k)) {`
	`71`	`+ for (var k in o1) {`
	`72`	`+ if (k in o2) {`
`75`	`73`	`continue;`
`76`	`74`	`}`
`77`	`75`	`f2(k, o1[k])();`